---
title: "CVE-2026-46651: Goobi viewer - Authentication Bypass"
description: "Goobi viewer 24.03 to < 26.05 contains an authentication bypass caused by unauthenticated access to DownloadTaskEndpoint WebSocket endpoint (/tasks/download/monitor.socket), letting unauthenticated users send download requests, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-46651/
---

# CVE-2026-46651 Goobi viewer - Authentication Bypass

Goobi viewer 24.03 to < 26.05 contains an authentication bypass caused by unauthenticated access to DownloadTaskEndpoint WebSocket endpoint (/tasks/download/monitor.socket), letting unauthenticated users send download requests, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.70% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-46651)

## Details

Type

Authentication Bypass

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

23 October 2026

Updated

25 October 2026

Weakness

[CWE-306](https://cwe.mitre.org/data/definitions/306.html)

## Vendor fix

Update to version 26.05 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-46651](https://nvd.nist.gov/vuln/detail/CVE-2026-46651)
- [https://github.com/intranda/goobi-viewer-core/commit/5281245708447ae3419cb42492fbb8af731a2ce5](https://github.com/intranda/goobi-viewer-core/commit/5281245708447ae3419cb42492fbb8af731a2ce5)
- [https://github.com/intranda/goobi-viewer-core/commit/b8943ee963e2aa1131da2212eaf85c5a2d90214f](https://github.com/intranda/goobi-viewer-core/commit/b8943ee963e2aa1131da2212eaf85c5a2d90214f)
- [https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05](https://github.com/intranda/goobi-viewer-core/releases/tag/v26.05)
- [https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-79jg-3m2m-jgc8](https://github.com/intranda/goobi-viewer-core/security/advisories/GHSA-79jg-3m2m-jgc8)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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